Has anyone been able to get voltage/e85 reading. Basicly looking for a spec sheets?? I want to add the sensor to the EMS

 

for the siemens sensor yes. The signal is a 5v square wave with the frequency representing ethanol content (50-150hz = 0-100% ethanol) and the pulse width representing fuel temperature (1-5ms = -40 - 125C) they are both linear.

You need to build a frequency to voltage converter and run it to a spare ADC on the ECU.

More info at http://www.megamanual.com/flexfuel.htm

Also zeitronix already has a nice unit that does all this already, theres a thread on it here

 

Mike, are you looking to do some sort of auto-compensation with the AEM?

 

Zeitronix ECA has 0-5V analog output corresponding to ethanol concentration (E%)
http://www.zeitronix.com/Products/ECA/ECA.htm

 

Are these available yet?

 

Yes, we have ECA units in stock, but we do not have instructions yet. It looks like we will have it all packaged just after PRI show.

 

Cool deal... You guys make some awesome products.

 

Thank you for your support.
We tune and race cars. I hope it shows that we design and manufacture stuff we use ourselves.

 

Thats an awesome product guys.. I just think I can do something with using EMS for Logging. Later on looking into some sorta auto-compensation. So yes Ed.

 

Does that sensor sit in the fuel? Looks like i'll be buying a zeitronix gauge when I'm ready to convert to E85 Thanks for the info.

 

Yes, the sensor mounts into the fuel line.

 

I'd love to see pictures of one installed. So the fuel line loops into it and out. That is weird, and a tad of a restriction.

 

It does not create restriction on a return line